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Penny hosts a Halloween party, putting Leonard, Sheldon, Wolowitz, and Koothrappali through a new test of their social skills.
Episodes
EP 1
Pilot
2007-09-24
EP 2
The Big Bran Hypothesis
2007-10-01
EP 3
The Fuzzy Boots Corollary
2007-10-08
EP 4
The Luminous Fish Effect
2007-10-15
EP 5
The Hamburger Postulate
2007-10-22
EP 6
The Middle-Earth Paradigm
2007-10-29
EP 7
The Dumpling Paradox
2007-11-05
EP 8
The Grasshopper Experiment
2007-11-12
EP 9
The Cooper-Hofstadter Polarization
2008-03-17
EP 10
The Loobenfeld Decay
2008-03-24
EP 11
The Pancake Batter Anomaly
2008-03-31
EP 12
The Jerusalem Duality
2008-04-14
EP 13
The Bat Jar Conjecture
2008-04-21
EP 14
The Nerdvana Annihilation
2008-04-28
EP 15
The Pork Chop Indeterminacy
2008-05-05
EP 16
The Peanut Reaction
2008-05-12
EP 17
The Tangerine Factor
2008-05-19
Voice Cast
Johnny GaleckiLeonard HofstadterVoice Actor
Jim ParsonsSheldon CooperVoice Actor
Kaley CuocoPennyVoice Actor
Simon HelbergHoward WolowitzVoice Actor
Kunal NayyarRajesh KoothrappaliVoice Actor
Melissa RauchBernadette RostenkowskiVoice Actor
Mayim BialikAmy Farrah FowlerVoice Actor
